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<h1 id="toc_0"><center> 发改委APP第三方库集成说明文档 </center></h1>

<p><br></p>

<h2 id="toc_1">native-echarts(Echarts图表集成)</h2>

<h4 id="toc_2">1.集成方法</h4>

<p><strong>npm install native-echarts –save</strong>  </p>

<h4 id="toc_3">2.注意</h4>

<p>　　(1)在集成图表功能后,可能会遇到安卓或者iOS打包后图表显示空白的情况，具体解决方法是修改<em><mark>node_modules/native-echarts/src/components/Echarts/index.js</mark></em>中的WebView组件：</p>

<div><pre><code class="language-javascript"> &lt;WebView originWhitelist={[&#39;&#39;]} ref=&quot;chart&quot; 
    scrollEnabled = {false}    
    injectedJavaScript = {renderChart(this.props)}    
    style={{height: this.props.height || 400,        
    backgroundColor: this.props.backgroundColor || 
    &#39;transparent&#39;}} scalesPageToFit={Platform.OS === &#39;android&#39; ? true : false}
    source={Platform.OS===&#39;ios&#39; ? require(&#39;./tpl.html&#39;):{uri:&#39;file:///android_asset/tpl.html&#39;}} 
    onMessage={event =&gt; this.props.onPress ?
    this.props.onPress(JSON.parse(event.nativeEvent.data)) 
    : null}/&gt;</code></pre></div>

<p>　　(2)当图表数据没有更改，但是进行setState操作时，图表会重新绘制，解决方法如下：</p>

<div><pre><code class="language-Objective-C">componentWillReceiveProps(nextProps) {
        if(nextProps.option !== this.props.option) { 
            this.refs.chart.injectJavaScript(renderChart(nextProps))         
        }
    }    </code></pre></div>

<p><br></p>

<h2 id="toc_4">react-native-orientation(横竖屏切换)</h2>

<h4 id="toc_5">1.集成方法</h4>

<p><strong>npm install react-native-orientation –save</strong><br>
<strong>react-native link react-native-orientation</strong></p>

<h4 id="toc_6">2.注意</h4>

<p>iOS需要在工程中开启权限  </p>

<p><img src="https://gitee.com/bick/pictures.io/raw/master/bbq.png" alt="avatar"></p>

<p>　　安卓端使用并未有任何问题，但是在iOS中，会出现用户将手机横竖切换时，界面会进行横竖屏切换的问题，需要写原生方法来配合使用，原生方法如下:
在AppDelegate.m中加入下列方法，监控手机横竖屏状态（这里监控的是横竖屏切换之前）</p>

<div><pre><code class="language-Objective-C"> - (UIInterfaceOrientationMask)application:(UIApplication *)application 
    supportedInterfaceOrientationsForWindow:(UIWindow *)window{
        if (_allowRotate == 1) {
            return UIInterfaceOrientationMaskLandscape;
        }
        else {
                return (UIInterfaceOrientationMaskPortrait);
        }
    }
 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation{
    return YES;
 }
 - (BOOL)shouldAutorotate{
    return YES;
 }</code></pre></div>

<p>在AppDelegate.h中添加属性allowRotate</p>

<div><pre><code class="language-Objective-C">@property (nonatomic,assign)NSInteger allowRotate;</code></pre></div>

<p>　　添加RN与原生的交互类PushCustom，在RCT<em>EXPORT</em>METHOD方法中更改allowRotate的属性，从而锁定手机横竖屏，这样就不会出现用户将手机横竖切换时的问题了。</p>



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